The title of the job is something that should be mandatory on your resume.
It is better to indicate only one position for which you are applying on the resume. The recruiter should immediately see which position is interesting to you. Exception: you can write in one resume two or three close professions (secretary, assistant manager).
If you are interested in several directions, then create one resume for each position, describe in detail the experience, skills, achievements for each position you are interested in. Send your resume to specific employers.

Don't make a long resume. Ideally, it should be no more than 2 pages. Describe the last 10 years of work experience or 3-4 previous jobs. Briefly mention everything that came before (company name, position, results). Describe the experience starting with the last one - the last one should top the list.

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